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Automated peritoneovenous shunt

  • US 4,610,658 A
  • Filed: 02/21/1985
  • Issued: 09/09/1986
  • Est. Priority Date: 02/21/1985
  • Status: Expired due to Term
First Claim
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1. In an implantable anti-reflux fluid displacement pertoneovenous shunt system which comprises a fluid collecting device, a anti-reflux anti-backdiffusion, pump, an anti-reflux anti-backdiffusion non-thrombogenic catheter, and flexible tubing connecting said collecting device and pump and said pump and catheter in series, the improvement which consists in providing, as the pump of said shunt system, a magnetically driven pump having at least one variable volume chamber, a movable pumping mechanism for varying the volume of said chamber, and said pump including a magnetic armature coupled to drive the pumping mechanism and adapted for operation by a magnetic drive external of the body in which the shunt system is to be implanted.

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